Viral diseases in ostriches : a review article(BY: A.ghalyanchi1 , S.M.M.Kiaei 2 , M.modirsanei2 , A.shojaee 3

During the last decades there have been many reports on virus isolation and viral diseases in ostriches. Scientific knowledge of ostrich diseases is incomplete and very fragmented, with specific details on technical aspects of diagnostic , epidemiological and/or screening tests which are completely absent in most cases. The ostrich viral diseases wich are discuss in this paper are :Newcastle disease , other paramyxo viruses , Avian influenza, Fowl pox, Borna disease ,Crimean_ Congo hemorrhagic fever, Spongiform encephalopathy, Eastern and Western equine encephalitis ,coronoviral enteritis , Gumboro and other viral infections that caused by adenovirus , reovirus ,herpes viruses ,circovirus , retrovirus ,rotavirus ,astrovirus,picornavirus .